您要查找的是不是：
- receiver off hook signal 受话器摘机信号
- You must take the receiver off the hook before you dial. 拨号前你必须把听筒从话机底座上拿下来。
- receiver off hook generator 受话器摘机发电机
- receiver off hook condition 未挂机状态
- off hook signal 摘机信号
- Wipe the receiver off when you're done with it. 打完电话以后把话筒擦干净。
- You must take the receive off the hook before you dial. 拨号码前你必须把话筒从吊钩上摘下来。
- I'm in social Coventry through leaving the receiver off. 停止使用无线电接收机，我好像被社会摈弃了。
- The teacher let him off the hook with a warning this time. 这一次老师放过他，只给了一个警告。
- The boxer let his opponent off the hook many times. 那拳击手失掉了许多次击败对手的机会。
- May be the receiver is off the hook. 可能是听筒没放好。
- The problem is that the receiver is off the hook. 问题出在该机话筒没放好。
- He is off the hook because his alibi is checked out. 他已经脱身了，因为他的不在场证明已证实无误。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- We didn't have a receiver sensitive enough to pick up the signal. 我们的接收器不够灵敏,未能收到这个信号。
- His brother paid all his bills and he was off the hook. 他的兄弟替他付清了账，他无债一身轻。
- He cut off a bunch of grapes to entertain us. 他剪下一串葡萄招待我们。
- I fell off my bike and went arse over tit. 我跌下自行车，一头号栽到地上。
